Green Tea Extract and Prostate Cancer
1 other identifier
interventional
33
1 country
1
Brief Summary
The purpose of the study is to see if a green tea extract can beneficially alter several markers of cancer risk and progression.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2 prostate-cancer
Started May 2004
Typical duration for phase_2 prostate-cancer
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2004
CompletedFirst Submitted
Initial submission to the registry
May 9, 2008
CompletedFirst Posted
Study publicly available on registry
May 13, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2008
CompletedResults Posted
Study results publicly available
August 8, 2012
CompletedAugust 8, 2012
June 1, 2012
4.6 years
May 9, 2008
August 29, 2011
June 29, 2012
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Change in Serum Prostate Specific Antigen (PSA) of Prostate Cancer
Change in serum prostate specific antigen (PSA) from baseline to post Polyphenol E treatment.
Baseline and 6 weeks
Change in Serum Vascular Endothelial Growth Factor (VEGF) and Prostate Cancer.
Change in serum vascular endothelial growth factor (VEGF) from baseline to post Polyphenol E treatment.
Baseline and 6 weeks.
Change in Serum Hepatocyte Growth Factor (HGF) and Prostate Cancer.
Change in serum hepatocyte growth factor (HGF) from baseline to post Polyphenol E treatment.
Baseline and 6 weeks
Study Arms (1)
ECGC Extract
EXPERIMENTALSingle arm for a phase II study
Interventions
4 capsules daily with a meal for the duration of the study
Eligibility Criteria
You may qualify if:
- recent biopsy positive for prostate cancer
- scheduled for prostatectomy
- must be able to swallow capsules
- Palpable mass by digital rectal examination (DRE)
- Ability to give informed consent and willingness to adhere to study protocol
- Age ≥ 18 years and less than 75
You may not qualify if:
- abnormal liver function
- Prior hormonal or surgical therapy for prostate cancer
- Liver or kidney problems that would interfere with metabolism of study drug
- Any condition that would hamper informed consent or ability to comply with study protocol
- Participation in another research study in the last three months
- Known malignancy at any site other than prostate
- Recent consumption of green tea (5 or more cups per day, within one week prior to biopsy)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
LSU Health Sciences Center
Shreveport, Louisiana, 71103, United States
Related Publications (1)
McLarty J, Bigelow RL, Smith M, Elmajian D, Ankem M, Cardelli JA. Tea polyphenols decrease serum levels of prostate-specific antigen, hepatocyte growth factor, and vascular endothelial growth factor in prostate cancer patients and inhibit production of hepatocyte growth factor and vascular endothelial growth factor in vitro. Cancer Prev Res (Phila). 2009 Jul;2(7):673-82. doi: 10.1158/1940-6207.CAPR-08-0167. Epub 2009 Jun 19.
PMID: 19542190RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Limitations and Caveats
Patient compliance was an issue.
Results Point of Contact
- Title
- Dr. Jerry W. McLarty, Ph.D.
- Organization
- LSUShreveport
Study Officials
- PRINCIPAL INVESTIGATOR
Jerry W McLarty, Ph.D.
LSUHSC Shreveport
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
May 9, 2008
First Posted
May 13, 2008
Study Start
May 1, 2004
Primary Completion
December 1, 2008
Study Completion
December 1, 2008
Last Updated
August 8, 2012
Results First Posted
August 8, 2012
Record last verified: 2012-06